Shared Flashcard Set

Details

biology
plants
28
Science
6th Grade
04/13/2008

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Cards

Term

What is xylem?

Definition
it is the plant's vascular tissue that carries water and minerals from the roots up through a plant and also helps support a plant
Term
What structures in vascular plants whose main functin is typically photopynthesis?
Definition

leaves

Term
stems
Definition
To carry materials between the roots and the leaves and to support the plant
Term
What is the main function of the root?
Definition
absorption and anchorage
Term
What plant vasculat tissue carries the food?
Definition
stem
Term
What is photosynthesis?
Definition

It is the food making process that invovled chlorophyll in which light energy is used to make food from carbon dioxide and water

Term
What are flowers?
Definition
A reproductive structure of a angiosperm
Term
What are cones?
Definition
A reproductive structure of gymnosperm
Term
What is pollen?
Definition
Tiny grains that can be thought of as containing sperms cells which are producted by male cones and flowers
Term
What is pollination?
Definition
The process by which pollen is carried from the male reproductive structure to the female reproductive structure
Term
What is angiosperm?
Definition
A plant whose seeds are contained in a ovary
Term
What is a gymnosperm?
Definition

Plant whose seeds are not contained in the ovary

Term
What is a sepal?
Definition
a leaflike structure that protects a developing flower
Term
What is a petal?
Definition
A colorful leaflike flower structure that serves to attracts pollinators
Term
What is a stamen?
Definition
A male reproductive organ in a flowers, which consists of a filament topped by a pollenproducing anther
Term
What is a pistil?
Definition
A female reproductive organ in a flowers which consist of a stigma style and ovule containing ovary.
Term
What is a fruit?
Definition
A ripened ovary of a plant that encloses and protects the seed.
Term
What is an annual?
Definition

a plant that acomplete their life cycle within one growing season

Term
What is an biennial?
Definition
A plant that completes their life cycle in two years
Term
What are perennials?
Definition
plants that live for many years
Term
What is tropism?
Definition
The growth of a plants towards or away from stimulus
Term
What are three function of a root?
Definition
  • anchor plants
  • absorb water and minerals
  • store food
Term
What are two purposes of a stem?
Definition
  • support leaves
  • transport water and minerals
Term
Why are the roots hairs important structures?
Definition
They increase roots surface area so it can absorb more waters and minerals
Term
What are two roles wind plays in the life sycle of seed plants?
Definition
  • move pollen from flowers to flowers
  • to disperse seeds
Term
If a plant is placed near a sunny window it will bend toward the light, why?
Definition
  • positive photoropism
  • plants grow toward a stimulus of light
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